/**
 * \* Created with IntelliJ IDEA.
 * \* User: Administrator
 * \* Date: 2022/3/21
 * \* Time: 21:33
 * \* To change this template use File | Settings | File Templates.
 * \* Description:
 * \
 */

class MyThread2 extends Thread{
    @Override
    public void run() {
        while(true){
            System.out.println("hello thread!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

public class Demo2 {
    public static void main(String[] args) {
        Thread t = new MyThread();
        t.start();
        while(true){
            System.out.println("hello world");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
